>tr|A0A0E1SZ71|A0A0E1SZ71_ECOLX Arginine repressor OS=Escherichia coli 53638 GN=argR
MRSSAKQEELVKAFKALLKEEKFSSQGEIVAALQEQGFDNINQSKVSRMLTKFGAVRTRN
AKMEMVYCLPAELGVPTTSSPLKNLVLDIDYNDAVVVIHTSPGAAQLIARLLDSLGKAEG
ILGTIAGDDTIFTTPANGFTVKDLYEAILELFDQEL